'Jet energy scale' diaporamas de présentation

Signals And Backgrounds for the LHC: Part 2

Signals And Backgrounds for the LHC: Part 2. -or- What They Were Thinking When They Designed ATLAS and CMS. Thomas J. LeCompte Argonne National Laboratory. Outline. Four facts about detectors Representative signals and how they influence experimental design High p T muons

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Hadronic Event Shape Variables in pp collision at 7 TeV

Hadronic Event Shape Variables in pp collision at 7 TeV. Introduction Data-set and Event Selection Comparison of Basic Jet Objects in Data and MC Event Shape Variables in Data and MC Systematics and Sensitivity Final Results Summary.

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QCD: The First LHC Measurements

QCD: The First LHC Measurements. Thomas J. LeCompte High Energy Physics Division Argonne National Laboratory. Outline. A six-and-one half minute review of QCD Too few slides on early jet measurements

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Summary of Commissioning Studies Top Physics Group

Summary of Commissioning Studies Top Physics Group. M. Cobal, University of Udine. Top Working Group, CERN October 29 th , 2003. Top Quark Event Yields. NLO Xsect for t-tbar production = 833 pb 8 million t-tbar pairs produced per 10 fb -1

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Martin Spousta for the ATLAS Collaboration

Jet results and jet reconstruction techniques in pp and their prospects in heavy-ion collisions in ATLAS. Martin Spousta for the ATLAS Collaboration. Outline. Motivation Choice of the jet algorithm Measurement of jet energy spectra in heavy ions jet energy scale jet energy resolution

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Jet Energy Scale

Jet Energy Scale. March 31, 2009. Jet energy vs parton energy. Eta-dependent corrections : even calorimeter response Multiple interactions : garbage from extra ppbar events in the same BC Absolute energy scale : conversion from calo measurement to underlying jet

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Antenna Showers and Color Annealing

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Systematics in charged Higgs searches in ATLAS

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Jet Energy Scale at CMS

Jet Energy Scale at CMS. Anwar A Bhatti June 8, 2006 XII International Conference on Calorimetry Chicago IL, USA. Jets at LHC/CMS. CMS is pp experiment at Large Hadron Collider at ?s=14 TeV to find Higgs bosons, SUSY, anything beyond SM. Good understanding of jets are needed to

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High E T Jet Physics at HERA

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QCD Studies in ATLAS

QCD Studies in ATLAS. Martin Siebel (CERN) On behalf of the ATLAS Collaboration XIII Lomonosov Conference, Moscow, 23.-29.8.2007. ATLAS. LHC-b. Alice. CMS. LHC and ATLAS. General purpose detector 42m x 25m x 25m Mass: 7000t. Synchrotron with 27km circumference

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b-Jet Energy Scale Determination Method for Top Mass

b-Jet Energy Scale Determination Method for Top Mass. Presentation for summer student program Mitsutoshi Ogino. Motivation. Systematic uncertainties of Mtop measurement by top mass template group. All-hadronic : ~45%. No missing objects. Many events come from All hadronic channel.

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HF performance and its impact on qqH analysis (H->ZZ->llvv channel) A.Mestvirishvili

HF performance and its impact on qqH analysis (H->ZZ->llvv channel) A.Mestvirishvili University of Iowa FNAL VBF workshop, June 2009. HF for qqH.

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NA-ATLAS mtg

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Z+Jets Production at the Tevatron

Z+Jets Production at the Tevatron. Alon Attal IFAE - Barcelona 20/07/2007 EPS Conference, Manchester. Motivation. The Z + Jets channel is an important background for ZH and squark/gluino searches. Can be used to test pQCD at high Q 2. ZH ? nn bb Search. squark/gluino MET + Jets Search.

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B-jet Energy Scale Determination from Top Quark Pair All Hadronic Events

B-jet Energy Scale Determination from Top Quark Pair All Hadronic Events. Topic for summer student of University of Tsukuba @ CDF. B Jet Energy Scale. Systematic uncertainties of Mtop measurement by top mass template group. Top quark mass is important parameter in SM.

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